Warren Hill Prison information

Warren Hill

Warren Hill opened in 1982 to accommodate Cat C Young Offenders in a closed environment. It was part of Hollesley Bay Colony, the other part of the prison being an open Youth Custody Centre/Detention Centre. When the CJ Act of 1991 came into force the population of open Young Offenders dwindled, and in 1992 the open establishment was adapted to accommodate adult category Ds – initially as a minority but the adult population was the majority within the open prison, with Young Offenders occupying one unit.

Warren Hill together with the Carlford Unit (a Section 53 Unit opened in January 2000) went all-juvenile in October of the same year.

In April 2002 though retaining some shared services, HMP & YOI Hollesley Bay became two separate prisons. The Open complex retained the name Hollesley Bay and the Juvenile parts (Warren Hill and the Carlford Unit) became HMP & YOI Warren Hill.

In February 2012 Waveney and Welcome Unit opened within the Warren Hill main site and Carlford Unit was handed back to Hollesley Bay.

In September 2013 the Youth Justice Board announced that they would be decommissioning beds for Juveniles at Warren Hill and the establishment was handed back over to NOMS for a re-role to take adult Cat C Male prisoners.

HMP Warren Hill now hold Indeterminate sentenced Cat C Male Prisoners, who cannot move to open conditions working to a Progression Regime.

In April 2016, work will begin on planning the merge of HMP Warren Hill with HMP & YOI Hollesley Bay, which is due to take place in October 2016.

Grove Road, Hollesley
Nr Woodbridge
IP12 3BF

Tel: 01394 633 400
Fax: 01394 633 438
VPN: 7289

Governor: Sonia Walsh

Accommodation: All accommodation is single cell with integral sanitation.

Operational capacity: 257 as of February 2014

Reception criteria: HMP Warren Hill – normal reception arrangements accepting prisoners who meet the establishment progressive regime criteria.

Prisoners will be accepted as follows:

  1. Location on the Post Assessment PIPE, following TC and PD treatment programmes– National Resource 20 bed Unit. Application via warren Hill OMU.
  2. Location to the Therapeutic Community  following the agreed National referral protocol - National Resource 40 bed Unit.

Within the main population the criteria will be as follows:

  1. Life/IPP prisoners who are excluded from open conditions
  2. Life/IPP prisoners who are considerably over tariff
  3. Life/IPP recall prisoner
Her Majesty's Prison & Probation Service


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